220610200061 has 4 divisors (see below), whose sum is σ = 221525595324. Its totient is φ = 219694804800.

The previous prime is 220610200039. The next prime is 220610200073. The reversal of 220610200061 is 160002016022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58809160036 + 161801040025 = 242506^2 + 402245^2 .

It is a cyclic number.

It is not a de Polignac number, because 220610200061 - 2²² = 220606005757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220610200661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457697270 + ... + 457697751.

It is an arithmetic number, because the mean of its divisors is an integer number (55381398831).

Almost surely, 2^220610200061 is an apocalyptic number.

It is an amenable number.

220610200061 is a deficient number, since it is larger than the sum of its proper divisors (915395263).

220610200061 is an equidigital number, since it uses as much as digits as its factorization.

220610200061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915395262.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 220610200061 its reverse (160002016022), we get a palindrome (380612216083).

The spelling of 220610200061 in words is "two hundred twenty billion, six hundred ten million, two hundred thousand, sixty-one".